Replace rotary switch
Replace PCB (para. 4-4).
1. Connect RED clip and BLACK clip to the
terminations indicated in the question.
RED to the first, BLACK to the second.
2. Start Test 91,0-4.500
3. Displayed reading is in ohms. Less than 5
ohms is continuity.
If the resistance is over
4.500 ohms, STEIICE-R displays .220.127.116.11.
1. Connect RED clip to the indicated test point,
BLACK clip to negative or ground.
2. Start Test 89. DC Volts.
3. Displayed reading is in volts.
negative battery cable before
disconnecting and reconnecting
control box harness.
There is battery voltage at the PCB at all
times. Failure to disconnect battery cable
will result in damage to equipment or injury